Screwdriver head



FIG. 1 is a perspective view of a screwdriver head according to an embodiment of the invention.

FIG. 2 is an alternative perspective view of the screwdriver head shown in FIG. 1; and,

FIG. 3 is an end view of the screwdriver head shown in FIG. 1.

The elements shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. The portions shown in broken lines having unequal length segments illustrate the boundary of the claimed design and form no part of the claimed design. 

CLAIM I claim the ornamental design for a screwdriver head, as shown and described. 